Backend code is the part of a website or application that isn’t visible to the user. The code is a behind-the-scenes part of development, requiring a high level of competency regarding coding and the server that is being used. A backend developer works on the implementation and configuration of systems, and thus provides the building blogs for a website or program.

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    iOS developer needed ASAP 6 дней(-я) left

    I need a iOS developer to work on an existing project I need to change the backend, the code source is available

    $180 (Avg Bid)
    $180 Ср. ставка
    10 ставки
    Integrate AffiliateWP with custom recurring payment gateway 6 дней(-я) left
    ПОДТВЕРЖДЕН

    I have a custom recurring payment gateway flow [войдите, чтобы посмотреть URL] I need to integrate to this workflow the affiliateWP system, so people can share its unique link and earn money based on the suscription flow in [войдите, чтобы посмотреть URL] This is the plugin [войдите, чтобы посмотреть URL], and it works for Woocommerce product, but I need to make it work for my recurring payment ...

    $497 (Avg Bid)
    $497 Ср. ставка
    11 ставки
    kids tracking system 6 дней(-я) left
    ПОДТВЕРЖДЕН

    I need someone to integrate my android & ios app with tracking system : Integrate with kids smart watches: To integrate our mobile app. With some types of kids smart watches to : a. Monitor the watch location. b. Receive alerts from the watch when: i. Kids push on the SOS button (on the watch itself) ii. Kids is out of the defined safety zone (geofencing) c. Call the watch using app. And recei...

    $3101 (Avg Bid)
    $3101 Ср. ставка
    13 ставки

    I am a senior engineer ,stuck in my graduation project , I wanna help but not from scratch , I did pretty much somethings in the android app but need someone to complete my work in good way , its pharmacy system app to make orders

    $20 (Avg Bid)
    $20 Ср. ставка
    7 ставки

    بناء نظام لادارة مجمع طبى مكون من اكثر من 12 عيادة ومختبر طبى واشعه وصيدليه ومخازن واستقبال وحسابات وموارد بشريه

    $2340 (Avg Bid)
    $2340 Ср. ставка
    5 ставки

    We want to design a single front end page as per our requirement. The UI/UX design graphics and wireframe will be given by us. Additionally, whatever the API is sending needs to be displayed on the front end. We are looking for a professional with relevant experience/understanding of Full Stack development and should be able to deliver the full Stack deliverables as per expected quality. What wi...

    $110 (Avg Bid)
    $110 Ср. ставка
    10 ставки
    Build a backend Dashboard to Upload, Store and View Data 5 дней(-я) left
    ПОДТВЕРЖДЕН

    Dashboard:

We need to make a dashbaord to upload Photos and Videos in it and the specifications are as follows:
 1. It should interact with AWS to store the data 2. Ability to upload data from the backend which will be filtered under different sub sections and categories. 3. There should be an option to create a new section/project under which the media data needs to be uplaoded. 4. It also shou...

    $318 (Avg Bid)
    $318 Ср. ставка
    11 ставки

    We are looking for a skillful backend developer who can complete 20+ things for troubleshooting perfectly on time and work to add more functionalities to our app for a final goal. A skillful backend developer who can work full-time will be preferred for ongoing tasks. It would be great if you are familiar with iOS and Android app development as well.

    $1252 (Avg Bid)
    $1252 Ср. ставка
    75 ставки
    Talented Kotlin + Spring Boot back end developer 4 дней(-я) left
    ПОДТВЕРЖДЕН

    I am seeking a talented back end developer to join our quest for world domination! Long term full time commitment, minimum 2 months. ---------------------- I have existing project. First you have to install it on my local via remotely. ----------------------- You will be part of a small team of developers. Level of experience will be considered, but is not the most important, as long as you&rsquo...

    $21 / hr (Avg Bid)
    $21 / hr Ср. ставка
    5 ставки
    Python + Django + AI Platform 4 дней(-я) left

    We are looking for a Full Stack Developer Python developer to join our engineering team and help us develop and maintain the Challenger systems. Full Stack Developer responsibilities include writing and testing code, debugging programs and integrating applications with third-party web services. To be successful in this role, you should have experience using server-side logic and work well in a te...

    $543 (Avg Bid)
    $543 Ср. ставка
    21 ставки
    need an backend php expert for api create 3 дней(-я) left
    ПОДТВЕРЖДЕН

    Need a Backend for the game Need to store following Data Player ID : This i will provide, so you have to give me a api for it.(Google and fb part : they send an token id that would be our player id) Username : This should be uniques and should be of 8 characters including numbers Profile Picture : Here we shave to choose option from 1to16. Coins : Our Game coins Balance Gems : Our Game gems Balan...

    $146 (Avg Bid)
    $146 Ср. ставка
    4 ставки

    Gameflow (Norwegian esports startup) is seeking a talented back end developer to join our quest for world domination! Long term full time commitment, minimum 10 months. You will be part of a small team of developers. Level of experience will be considered, but is not the most important, as long as you’re really good with the Kotlin/Spring Boot stack. And of course, you must be up for a chall...

    $15 / hr (Avg Bid)
    $15 / hr Ср. ставка
    1 ставки

    we have already developed website and ios, android app need a person for more updation

    $2891 (Avg Bid)
    $2891 Ср. ставка
    24 ставки
    Fullstack developer - Update VPN service software 4 дней(-я) left
    ПОДТВЕРЖДЕН

    Urgent job: We want to update our current VPN service software suite frontend and also backend (setting up exit nodes). Looking for a fullstack developer or a firm who can perform this urgently. Skills that we look for: *OpenWRT Python Javascript CSS HTML Makefile PHP IPV6 The applicant has to sign NDA. We will conduct interviews with Interesting candidates. With a successful ...

    $2875 (Avg Bid)
    Избранный Срочный Соглашение о неразглашении
    $2875 Ср. ставка
    46 ставки
    Dwolla integration experience required. 2 дней(-я) left
    ПОДТВЕРЖДЕН

    1) Would like for users to be able to withdraw funds to verified bank account. 2) Users will submit withdrawal request via in App. 3) Users can see all completed withdrawals in transaction history. 4) Admin should be able to see withdrawal request in admin page. *would like for this to be completed in 5 days or less.*

    $570 (Avg Bid)
    $570 Ср. ставка
    8 ставки

    I need to build a marketing platform where every user will be able to post pivtures and videos that will be available not only to people who follow them but to everybody that use the platform. We will just give the users the chance to choose their favorites topics. It will appear like the for you page of tik tok and on the other side will be all the pics and videos that have been posted . I also w...

    $1386 (Avg Bid)
    $1386 Ср. ставка
    51 ставки
    Technical Engineer Cofounder for Startup Needed 2 дней(-я) left
    ПОДТВЕРЖДЕН

    We are a startup in the very early pre-launch stage that is looking for a technical engineer to be a cofounder, based on equity only. The platform is focused on health tech and the development is almost complete but requires a professional and experienced tech engineer to finalize and ensure the MVP is in line with the objectives of the startup. US-based tech engineers are highly recommended, but ...

    $10 / hr (Avg Bid)
    $10 / hr Ср. ставка
    6 ставки
    Clicdata expert Needed!(Read and Understand ->bid) 2 дней(-я) left
    ПОДТВЕРЖДЕН

    Need a Clicdata expert to Design, develop and maintain multiple dashboards from payment data. The dashboard and data connectors have been built, We just need tweaks and modifications, and sometimes new sections created.

    $3250 (Avg Bid)
    $3250 Ср. ставка
    3 ставки

    I have a grocery app with larvel backend I need to add city wise head login and relation shipmanager login for each store

    $199 (Avg Bid)
    $199 Ср. ставка
    40 ставки
    Cross platform Mobile Application developer 2 дней(-я) left
    ПОДТВЕРЖДЕН

    Looking for an experience mobile app developer to complete work on a booking app. The app is currently about 60% complete with the exception of some bugs and features. The ideal candidate would be self motivated and keen to contribute their expert advice and ideas to the team. The hiring team is open to offering hourly or a fixed rate to complete the project A long time role may be offered at the ...

    $448 (Avg Bid)
    $448 Ср. ставка
    26 ставки
    Script Logistic Management PHP Google Maps API 2 дней(-я) left
    ПОДТВЕРЖДЕН

    I need a script that allows me to manage the logistics of my packages and my truck drivers Control panel: - Admin - User - Drivers - Empoyer - Driver route insertion from: to: (google maps) with calculation of kilometers of delivery points - Map with delivery points, Route calculation (google maps) - shipping calendar etc ... There is a ready script (Backend only) for 20 USD, and you could...

    $162 (Avg Bid)
    $162 Ср. ставка
    14 ставки
    Build a trading website 2 дней(-я) left

    I am in the process of building a simple MVP (minimum viable product) trading website for users. This website will have a simple interface where users would log in, use a bot trading engine to set their trades via an API from an exchange, and the bot would execute their trades automatically. So, I need a website and a trade engine as the bot. I am looking for an individual or individuals with who ...

    $546 (Avg Bid)
    $546 Ср. ставка
    33 ставки
    Script Logistic Management PHP 1 день left
    ПОДТВЕРЖДЕН

    I need a script that allows me to manage the logistics of my packages and my truck drivers Control panel: - Admin - User - Drivers - Empoyer - Driver route insertion from: to: (google maps) with calculation of kilometers of delivery points - Map with delivery points, Route calculation (google maps) - shipping calendar etc ... There is a ready script (Backend only) for 20 USD, and you could...

    $249 (Avg Bid)
    $249 Ср. ставка
    15 ставки
    Supplier Portal Development 1 день left
    ПОДТВЕРЖДЕН

    I need a supplier portal where the supplier can add documents and download content as well. From admin end, the admin should be able to upload specific files for specific supplier account.

    $790 (Avg Bid)
    $790 Ср. ставка
    75 ставки

    This is a project related to developing a training course for chemistry that uses Open edX platform or something similar with an ability to integrate following elements: 1. Modular arrangement of contents (e.g. see attached image: [войдите, чтобы посмотреть URL]) a. Text b. Quiz c. Video d. game based on Unity/Unreal 2. Needs an ability to embedd 3D molecular structure (for...

    $4 / hr (Avg Bid)
    $4 / hr Ср. ставка
    4 ставки

    Hi I am looking for one experienced person with websites or any type of backend. I know that some items are loaded into one website. However I can’t find the backend end point. I have more or less title and also picture. That’s all if the job is good done, I might to have more website in the future. I don’t know if you need any special debugger or tool to do advanced searches....

    $31 (Avg Bid)
    $31 Ср. ставка
    3 ставки

    I want to develop a MEAN application which will have Website & Admin Panel. I have front developer already. I just need backend developer. Before I allot you project you need to create a small demo application, deploy it to heroku and send me the link. Don't bid if you can't create small demo application before I allot you project.

    $132 (Avg Bid)
    $132 Ср. ставка
    11 ставки
    DATING WEBSITE /features -- 3 1 день left
    ПОДТВЕРЖДЕН

    To Add dating features on my EXISTING website: - User profile -CHAT between users on website with users on mobile app (interaction between Web and App) -Search, In Web-purchase. -SEO (same features , design and colors with my mobile app)

    $279 (Avg Bid)
    $279 Ср. ставка
    10 ставки

    I'll need all of the tasks given below accomplished by the bidders and they shouldn't deny for any additional tasks as well: 1. Sign in, Sign up, Forgot Password pages (Also, sign up through facebook and google) 2. Integration of payment gateway 3. Integration of Reviews and Feedback (Using a star based system) 4. OTP verification from phone number while signing up 5. PHP for Contact fo...

    $133 (Avg Bid)
    $133 Ср. ставка
    10 ставки

    What I need is strategy, setup and implantation of the following. No web design or full website development. Just the WooCommerce part. I need to import a bulk amount of products (40k) to woocommerce through plugin. Before I do that I need to add custom fields on product page under title for different kinds of product numbers/tags and add those info in new columns on the sheet, also need to create...

    $494 (Avg Bid)
    $494 Ср. ставка
    60 ставки
    Website Development. 1 день left

    We, Environ Propacks is Contract manufacturing, trading and exporting firm based in Aurangabad, Pune(Maharashtra). We have worldwide activities in sourcing, transporting, storage and financing of various packaging related products. Our Success is build upon the knowledge of the market reliability and independence. We strive to be the reliable and competitive working to contribute to our custome...

    $136 (Avg Bid)
    $136 Ср. ставка
    16 ставки
    Hiring Full Stack Developer 15 часов(-а) left
    ПОДТВЕРЖДЕН

    We are a global contributor to OSS project, we are looking for bright people who can follow the same approach and work from remote. key role: 1 Write doc 2. Write code on any lang 3. Microservice code framework [войдите, чтобы посмотреть URL] with team member 5. Be open for other opportunities 6. Full stack developer 7. Open to contracting for an year.

    $851 (Avg Bid)
    $851 Ср. ставка
    5 ставки
    web developer 14 часов(-а) left

    need a web developer for a documentary website possibly in Barcelona

    $28 / hr (Avg Bid)
    Местный
    $28 / hr Ср. ставка
    22 ставки

    Hi, we have a Coronavirus chatbot already running and we'd like to add a FAQ to it. Here is the faq we'd like to get the information from: [войдите, чтобы посмотреть URL] I need this faq to be a decision tree, so the chatbot would show 5 buttons, then depending on which buttons the user clicks, the chatbot would show the questions according to the webpage above. I only need the following...

    $28 / hr (Avg Bid)
    $28 / hr Ср. ставка
    24 ставки

    Hello, We are looking for a developer who is able to build a software that inputs videos of people's faces and identifies and outputs data points like size, displacement, velocity, trajectory of the pupil, size of the eye, rate of blinking, gaze position. This project would act as a MVP of our product and if we are impressed with your work, we will be looking to hire you permanently too. Addi...

    $375 (Avg Bid)
    $375 Ср. ставка
    5 ставки
    Pull API data to SQLS - C# 7 часов(-а) left
    ПОДТВЕРЖДЕН

    Using an existing api library, written in c#, gather additional data from the connection pool to MSQLS The table attached outlines the database structure with notes describing each api endpoint No DMs please

    $174 (Avg Bid)
    $174 Ср. ставка
    28 ставки

    Всем привет! Нужны разработчики Frontend и Backend на JS React и Python. Только русскоговорящие!!! Заказчик будет проводить собеседование в Skype, поэтому только русскоговорящие исполнители. Что делаем? Первую версию платформы по поиску и анализу ниш. Работа проектная. После реализации первой версии будет рассматриваться долгосрочное сотрудничество. Первая версия платформы разбита на 4 под релиза....

    $4000 (Avg Bid)
    $4000 Ср. ставка
    5 ставки
    Steam api and freeancer api 4 дней(-я) left
    ПОДТВЕРЖДЕН

    Dzień dobry, Chciałbym zlecić wykonanie market place, który będzie wykorzystywał dane z platformy Steam (aktualne ceny, skiny). W związku z czym zależy mi na osobie która napisze API do pobierania danych. Istnieją strony z których można legalnie pobierać aktualne dane które znajdują się na platformie Steam (przykład: [войдите, чтобы посмотреть URL]). ...

    $1332 (Avg Bid)
    Местный
    $1332 Ср. ставка
    18 ставки

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